If you are attempting this today, you generally have two paths:
If you are uncomfortable opening your device, several paid services can provide codes or remote unlocking. Note that these are not officially endorsed. Please Code for Unlock Bootloader, Honor 9X - HUAWEI Global How to Unlock Bootloader in HONOR 9 phone
This method requires you to open the back cover of your phone to short a test point. It is not for the faint-hearted. If you are attempting this today, you generally
Before touching the phone, prepare your workspace. You will need the following: If you are attempting this today
Unlocking the bootloader on an HONOR 9 is a multi-step process that requires obtaining a unique 16-digit unlock code. HONOR officially stopped providing these codes in 2018, so you must now use unofficial methods.